No error signal is emitted with latest Bluez version

Feb 21 11:55:29 peppy bluetoothd[531]: Unable to get QBluetoothSocket-3619 SDP record: Host is down

connecting ...
qt.bluetooth.bluez: SDP scan failure QProcess::NormalExit 3
qt.bluetooth.bluez: SDP search failed for "98:D3:31:40:31:2C"
Service cannot be found

connecting ...

#!/usr/bin/python3
import sys
from PyQt5 import QtWidgets, QtBluetooth, QtCore

class Main(QtWidgets.QMainWindow):
    def __init__(self, parent):
        super().__init__()
        unavailable_host = "98:D3:31:40:31:2C"  # HC05 bluetooth module
        addr = QtBluetooth.QBluetoothAddress(unavailable_host)
        uuid = QtBluetooth.QBluetoothUuid(QtBluetooth.QBluetoothUuid.SerialPort)        

        print("connecting ...")
        self.socket = QtBluetooth.QBluetoothSocket(QtBluetooth.QBluetoothServiceInfo.RfcommProtocol)
        self.socket.connectToService(addr, uuid, QtCore.QIODevice.ReadWrite)
        self.socket.connected.connect(self.connected)
        self.socket.error.connect(self.error)

    def error(self, error):
        # Error signal is never emitted
        print(self.socket.errorString())

    def connected(self):
        # Connected signal is never emitted
        print("connected")

if __name__ == '__main__':
    app = QtWidgets.QApplication(sys.argv)
    gui = Main(app)
    sys.exit(app.exec_())